@book{24861,
	author = {Butler, James, ed.},
	title = {Earth Observing Systems XVI},
	publisher = {SPIE},
	year = {2011},
	series = {Proceedings of SPIE; V. 8153},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8153}
}